DPL04 Equivalent & Substitute Parts

Part Overview

The DPL04 is a piano DIP switch manufactured by APEM Inc., configured as a 4-position SPST (Single Pole Single Throw) through-hole component with right-angle mounting. It is rated for 50mA at 24VDC and features a raised piano actuator with gold-plated phosphor bronze contacts. The DPL04 is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement.

Substiute Parts

DPL04

APEM Inc.In Stock: 1027DPL04 Datasheet

Current PartRFQ

NDPL-04-V

APEM Inc.In Stock: 1037NDPL-04-V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DPL04 is determined by the following critical parameters:

• Circuit Configuration & Positions: Must maintain SPST topology with 4-position configuration
• Voltage Rating: Must support 24VDC operation
• Actuator Type & Level: Must feature piano actuator with raised level for mechanical compatibility
• Mounting & Pitch: Must use through-hole, right-angle mounting with 0.100" (2.54mm) pitch for PCB footprint compatibility
• Contact Finish: Gold plating required for electrical reliability
• Compliance: Must maintain ROHS3 compliance and REACH unaffected status

The NDPL-04-V meets these core substitution criteria. However, the current rating differs: the NDPL-04-V is rated for 25mA versus the DPL04's 50mA. This represents a derating and restricts the NDPL-04-V to applications requiring 25mA or less.

Parameter Comparison

Engineering Selection Recommendations

The NDPL-04-V is the primary substitute for the obsolete DPL04, provided that circuit current requirements do not exceed 25mA. Both components are ROHS3 compliant and REACH unaffected, ensuring regulatory alignment. The NDPL-04-V maintains active product status with APEM Inc., supporting long-term availability and supply chain continuity.

Selection of the NDPL-04-V is appropriate when:

• Application current draw is 25mA or less
• 24VDC operation is required
• Through-hole, right-angle mounting with 0.100" pitch is specified
• Piano actuator interface is required

If the application requires the full 50mA current rating of the original DPL04, alternative suppliers or higher-rated DIP switch families must be evaluated outside this substitution scope.

Frequently Asked Questions (FAQ)

Q: Can the NDPL-04-V directly replace the DPL04 in all applications?

A: The NDPL-04-V is mechanically and electrically compatible with the DPL04 for PCB mounting and 24VDC operation. However, the current rating is reduced from 50mA to 25mA. Substitution is valid only if the application current does not exceed 25mA.

Q: Are there physical dimension differences between DPL04 and NDPL-04-V?

A: Both components share identical height above board (0.402"), pitch (0.100"), and mounting type (through-hole, right-angle). The NDPL-04-V length is 0.450" versus the DPL04's 0.461", a difference of 0.011". This minor variation does not affect PCB footprint compatibility.

Q: What is the mechanical life difference?

A: The DPL04 specifies 5,000 mechanical cycles, while the NDPL-04-V does not provide this specification. Both specify 2,000 electrical cycles. For applications requiring high mechanical cycle counts, the DPL04 specification should be referenced if available from inventory.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the DPL04 and NDPL-04-V are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic components.

Q: Why is the NDPL-04-V rated for lower current?

A: The NDPL-04-V represents a different design variant within the APEM NDPL series. The reduced current rating reflects design specifications for this particular model. If 50mA capability is required, alternative DIP switch models must be evaluated.